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  • Librem5
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  • #40

Closed
Open
Created May 31, 2019 by Eric Kuzmenko@eric.kuzmenkoOwner

Touch Controller Sometimes Not Responsive

Every so often my capacitive touch panel doesn't respond to input. I believe what is happening is that the CAPTOUCH_INT# pin is sometimes not being properly brought LOW during boot, causing its 7-bit I2C slave address to be 0x14 instead of 0x5D.

I have been trying to verify this is the case for the past hour or so by resetting my board over and over waiting for the touch screen to stop responding but have not gotten it into this failed state yet. Once I get it to do this I will run i2cdetect to find out if this is in fact what is happening.

Edited May 31, 2019 by Eric Kuzmenko
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